From patchwork Fri Oct 4 15:08:11 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174841 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DCE361747 for ; Fri, 4 Oct 2019 15:08:21 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C4F6C207FF for ; Fri, 4 Oct 2019 15:08:21 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389665AbfJDPIV (ORCPT ); Fri, 4 Oct 2019 11:08:21 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388802AbfJDPIV (ORCPT ); Fri, 4 Oct 2019 11:08:21 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:21 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877559" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:19 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 1/7] usb: typec: Copy everything from struct typec_capability during registration Date: Fri, 4 Oct 2019 18:08:11 +0300 Message-Id: <20191004150817.45413-2-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Copying everything from struct typec_capability to struct typec_port during port registration. This will make sure that under no circumstances the driver can change the values in the struct typec_capability that the port uses. Signed-off-by: Heikki Krogerus --- drivers/usb/typec/class.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 94a3eda62add..0bbf10c8ad58 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -52,6 +52,7 @@ struct typec_port { struct typec_switch *sw; struct typec_mux *mux; + const struct typec_capability *orig_cap; /* to be removed */ const struct typec_capability *cap; }; @@ -968,7 +969,7 @@ preferred_role_store(struct device *dev, struct device_attribute *attr, return -EINVAL; } - ret = port->cap->try_role(port->cap, role); + ret = port->cap->try_role(port->orig_cap, role); if (ret) return ret; @@ -1014,7 +1015,7 @@ static ssize_t data_role_store(struct device *dev, goto unlock_and_ret; } - ret = port->cap->dr_set(port->cap, ret); + ret = port->cap->dr_set(port->orig_cap, ret); if (ret) goto unlock_and_ret; @@ -1071,7 +1072,7 @@ static ssize_t power_role_store(struct device *dev, goto unlock_and_ret; } - ret = port->cap->pr_set(port->cap, ret); + ret = port->cap->pr_set(port->orig_cap, ret); if (ret) goto unlock_and_ret; @@ -1119,7 +1120,7 @@ port_type_store(struct device *dev, struct device_attribute *attr, goto unlock_and_ret; } - ret = port->cap->port_type_set(port->cap, type); + ret = port->cap->port_type_set(port->orig_cap, type); if (ret) goto unlock_and_ret; @@ -1184,7 +1185,7 @@ static ssize_t vconn_source_store(struct device *dev, if (ret) return ret; - ret = port->cap->vconn_set(port->cap, (enum typec_role)source); + ret = port->cap->vconn_set(port->orig_cap, (enum typec_role)source); if (ret) return ret; @@ -1278,6 +1279,7 @@ static void typec_release(struct device *dev) ida_destroy(&port->mode_ids); typec_switch_put(port->sw); typec_mux_put(port->mux); + kfree(port->cap); kfree(port); } @@ -1579,9 +1581,10 @@ struct typec_port *typec_register_port(struct device *parent, mutex_init(&port->port_type_lock); port->id = id; - port->cap = cap; + port->orig_cap = cap; port->port_type = cap->type; port->prefer_role = cap->prefer_role; + port->cap = kmemdup(cap, sizeof(*cap), GFP_KERNEL); device_initialize(&port->dev); port->dev.class = typec_class; From patchwork Fri Oct 4 15:08:12 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174843 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 704B6112B for ; Fri, 4 Oct 2019 15:08:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 56BDA207FF for ; Fri, 4 Oct 2019 15:08:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389554AbfJDPIW (ORCPT ); Fri, 4 Oct 2019 11:08:22 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388802AbfJDPIW (ORCPT ); Fri, 4 Oct 2019 11:08:22 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:22 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877569" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:21 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 2/7] usb: typec: Introduce typec_get_drvdata() Date: Fri, 4 Oct 2019 18:08:12 +0300 Message-Id: <20191004150817.45413-3-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Leaving the private driver_data pointer of the port device to the port drivers. Signed-off-by: Heikki Krogerus --- drivers/usb/typec/class.c | 11 +++++++++++ include/linux/usb/typec.h | 4 ++++ 2 files changed, 15 insertions(+) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 0bbf10c8ad58..89ffe370e426 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -1488,6 +1488,16 @@ EXPORT_SYMBOL_GPL(typec_set_mode); /* --------------------------------------- */ +/** + * typec_get_drvdata - Return private driver data pointer + * @port: USB Type-C port + */ +void *typec_get_drvdata(struct typec_port *port) +{ + return dev_get_drvdata(&port->dev); +} +EXPORT_SYMBOL_GPL(typec_get_drvdata); + /** * typec_port_register_altmode - Register USB Type-C Port Alternate Mode * @port: USB Type-C Port that supports the alternate mode @@ -1592,6 +1602,7 @@ struct typec_port *typec_register_port(struct device *parent, port->dev.fwnode = cap->fwnode; port->dev.type = &typec_port_dev_type; dev_set_name(&port->dev, "port%d", id); + dev_set_drvdata(&port->dev, cap->driver_data); port->sw = typec_switch_get(&port->dev); if (IS_ERR(port->sw)) { diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 7df4ecabc78a..8b90cd77331c 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -179,6 +179,7 @@ struct typec_partner_desc { * @sw: Cable plug orientation switch * @mux: Multiplexer switch for Alternate/Accessory Modes * @fwnode: Optional fwnode of the port + * @driver_data: Private pointer for driver specific info * @try_role: Set data role preference for DRP port * @dr_set: Set Data Role * @pr_set: Set Power Role @@ -198,6 +199,7 @@ struct typec_capability { struct typec_switch *sw; struct typec_mux *mux; struct fwnode_handle *fwnode; + void *driver_data; int (*try_role)(const struct typec_capability *, int role); @@ -241,6 +243,8 @@ int typec_set_orientation(struct typec_port *port, enum typec_orientation typec_get_orientation(struct typec_port *port); int typec_set_mode(struct typec_port *port, int mode); +void *typec_get_drvdata(struct typec_port *port); + int typec_find_port_power_role(const char *name); int typec_find_power_role(const char *name); int typec_find_port_data_role(const char *name); From patchwork Fri Oct 4 15:08:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174845 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 2C0D2112B for ; Fri, 4 Oct 2019 15:08:25 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 14EC02133F for ; Fri, 4 Oct 2019 15:08:25 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389669AbfJDPIY (ORCPT ); Fri, 4 Oct 2019 11:08:24 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389667AbfJDPIY (ORCPT ); Fri, 4 Oct 2019 11:08:24 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:24 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877575" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:22 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 3/7] usb: typec: Separate the operations vector Date: Fri, 4 Oct 2019 18:08:13 +0300 Message-Id: <20191004150817.45413-4-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Introducing struct typec_operations which has the same callbacks as struct typec_capability. The old callbacks are kept for now, but after all users have been converted, they will be removed. Signed-off-by: Heikki Krogerus --- drivers/usb/typec/class.c | 39 +++++++++++++++++++++++++++++---------- include/linux/usb/typec.h | 20 ++++++++++++++++++++ 2 files changed, 49 insertions(+), 10 deletions(-) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index 89ffe370e426..f4972b7ee022 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -54,6 +54,7 @@ struct typec_port { const struct typec_capability *orig_cap; /* to be removed */ const struct typec_capability *cap; + const struct typec_operations *ops; }; #define to_typec_port(_dev_) container_of(_dev_, struct typec_port, dev) @@ -956,7 +957,7 @@ preferred_role_store(struct device *dev, struct device_attribute *attr, return -EOPNOTSUPP; } - if (!port->cap->try_role) { + if (!port->cap->try_role || (!port->ops && !port->ops->try_role)) { dev_dbg(dev, "Setting preferred role not supported\n"); return -EOPNOTSUPP; } @@ -969,7 +970,10 @@ preferred_role_store(struct device *dev, struct device_attribute *attr, return -EINVAL; } - ret = port->cap->try_role(port->orig_cap, role); + if (port->ops && port->ops->try_role) + ret = port->ops->try_role(port, role); + else + ret = port->cap->try_role(port->orig_cap, role); if (ret) return ret; @@ -1000,7 +1004,7 @@ static ssize_t data_role_store(struct device *dev, struct typec_port *port = to_typec_port(dev); int ret; - if (!port->cap->dr_set) { + if (!port->cap->dr_set || (!port->ops && !port->ops->dr_set)) { dev_dbg(dev, "data role swapping not supported\n"); return -EOPNOTSUPP; } @@ -1015,7 +1019,10 @@ static ssize_t data_role_store(struct device *dev, goto unlock_and_ret; } - ret = port->cap->dr_set(port->orig_cap, ret); + if (port->ops && port->ops->dr_set) + ret = port->ops->dr_set(port, ret); + else + ret = port->cap->dr_set(port->orig_cap, ret); if (ret) goto unlock_and_ret; @@ -1050,7 +1057,7 @@ static ssize_t power_role_store(struct device *dev, return -EOPNOTSUPP; } - if (!port->cap->pr_set) { + if (!port->cap->pr_set || (!port->ops && !port->ops->pr_set)) { dev_dbg(dev, "power role swapping not supported\n"); return -EOPNOTSUPP; } @@ -1072,7 +1079,10 @@ static ssize_t power_role_store(struct device *dev, goto unlock_and_ret; } - ret = port->cap->pr_set(port->orig_cap, ret); + if (port->ops && port->ops->dr_set) + ret = port->ops->pr_set(port, ret); + else + ret = port->cap->pr_set(port->orig_cap, ret); if (ret) goto unlock_and_ret; @@ -1103,7 +1113,8 @@ port_type_store(struct device *dev, struct device_attribute *attr, int ret; enum typec_port_type type; - if (!port->cap->port_type_set || port->cap->type != TYPEC_PORT_DRP) { + if (port->cap->type != TYPEC_PORT_DRP || !port->cap->port_type_set || + (!port->ops && !port->ops->port_type_set)) { dev_dbg(dev, "changing port type not supported\n"); return -EOPNOTSUPP; } @@ -1120,7 +1131,10 @@ port_type_store(struct device *dev, struct device_attribute *attr, goto unlock_and_ret; } - ret = port->cap->port_type_set(port->orig_cap, type); + if (port->ops && port->ops->port_type_set) + ret = port->ops->port_type_set(port, type); + else + ret = port->cap->port_type_set(port->orig_cap, type); if (ret) goto unlock_and_ret; @@ -1176,7 +1190,7 @@ static ssize_t vconn_source_store(struct device *dev, return -EOPNOTSUPP; } - if (!port->cap->vconn_set) { + if (!port->cap->vconn_set || (!port->ops && !port->ops->vconn_set)) { dev_dbg(dev, "VCONN swapping not supported\n"); return -EOPNOTSUPP; } @@ -1185,7 +1199,11 @@ static ssize_t vconn_source_store(struct device *dev, if (ret) return ret; - ret = port->cap->vconn_set(port->orig_cap, (enum typec_role)source); + if (port->ops && port->ops->vconn_set) + ret = port->ops->vconn_set(port, (enum typec_role)source); + else + ret = port->cap->vconn_set(port->orig_cap, + (enum typec_role)source); if (ret) return ret; @@ -1591,6 +1609,7 @@ struct typec_port *typec_register_port(struct device *parent, mutex_init(&port->port_type_lock); port->id = id; + port->ops = cap->ops; port->orig_cap = cap; port->port_type = cap->type; port->prefer_role = cap->prefer_role; diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index 8b90cd77331c..c9bef128453b 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -168,6 +168,23 @@ struct typec_partner_desc { struct usb_pd_identity *identity; }; +/** + * struct typec_operations - USB Type-C Port Operations + * @try_role: Set data role preference for DRP port + * @dr_set: Set Data Role + * @pr_set: Set Power Role + * @vconn_set: Source VCONN + * @port_type_set: Set port type + */ +struct typec_operations { + int (*try_role)(struct typec_port *port, int role); + int (*dr_set)(struct typec_port *port, enum typec_data_role role); + int (*pr_set)(struct typec_port *port, enum typec_role role); + int (*vconn_set)(struct typec_port *port, enum typec_role role); + int (*port_type_set)(struct typec_port *port, + enum typec_port_type type); +}; + /* * struct typec_capability - USB Type-C Port Capabilities * @type: Supported power role of the port @@ -180,6 +197,7 @@ struct typec_partner_desc { * @mux: Multiplexer switch for Alternate/Accessory Modes * @fwnode: Optional fwnode of the port * @driver_data: Private pointer for driver specific info + * @ops: Port operations vector * @try_role: Set data role preference for DRP port * @dr_set: Set Data Role * @pr_set: Set Power Role @@ -201,6 +219,8 @@ struct typec_capability { struct fwnode_handle *fwnode; void *driver_data; + const struct typec_operations *ops; + int (*try_role)(const struct typec_capability *, int role); From patchwork Fri Oct 4 15:08:14 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174847 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id D61B01599 for ; Fri, 4 Oct 2019 15:08:26 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id BED1F21D81 for ; Fri, 4 Oct 2019 15:08:26 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389671AbfJDPI0 (ORCPT ); Fri, 4 Oct 2019 11:08:26 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388802AbfJDPI0 (ORCPT ); Fri, 4 Oct 2019 11:08:26 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:25 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877577" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:24 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 4/7] usb: typec: tcpm: Start using struct typec_operations Date: Fri, 4 Oct 2019 18:08:14 +0300 Message-Id: <20191004150817.45413-5-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Supplying the operation callbacks as part of a struct typec_operations instead of as part of struct typec_capability during port registration. Signed-off-by: Heikki Krogerus Reviewed-by: Guenter Roeck --- drivers/usb/typec/tcpm/tcpm.c | 45 ++++++++++++++++------------------- 1 file changed, 20 insertions(+), 25 deletions(-) diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 96562744101c..32b4ce6ce60b 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -390,12 +390,6 @@ static enum tcpm_state tcpm_default_state(struct tcpm_port *port) return SRC_UNATTACHED; } -static inline -struct tcpm_port *typec_cap_to_tcpm(const struct typec_capability *cap) -{ - return container_of(cap, struct tcpm_port, typec_caps); -} - static bool tcpm_port_is_disconnected(struct tcpm_port *port) { return (!port->attached && port->cc1 == TYPEC_CC_OPEN && @@ -3970,10 +3964,9 @@ void tcpm_pd_hard_reset(struct tcpm_port *port) } EXPORT_SYMBOL_GPL(tcpm_pd_hard_reset); -static int tcpm_dr_set(const struct typec_capability *cap, - enum typec_data_role data) +static int tcpm_dr_set(struct typec_port *p, enum typec_data_role data) { - struct tcpm_port *port = typec_cap_to_tcpm(cap); + struct tcpm_port *port = typec_get_drvdata(p); int ret; mutex_lock(&port->swap_lock); @@ -4038,10 +4031,9 @@ static int tcpm_dr_set(const struct typec_capability *cap, return ret; } -static int tcpm_pr_set(const struct typec_capability *cap, - enum typec_role role) +static int tcpm_pr_set(struct typec_port *p, enum typec_role role) { - struct tcpm_port *port = typec_cap_to_tcpm(cap); + struct tcpm_port *port = typec_get_drvdata(p); int ret; mutex_lock(&port->swap_lock); @@ -4082,10 +4074,9 @@ static int tcpm_pr_set(const struct typec_capability *cap, return ret; } -static int tcpm_vconn_set(const struct typec_capability *cap, - enum typec_role role) +static int tcpm_vconn_set(struct typec_port *p, enum typec_role role) { - struct tcpm_port *port = typec_cap_to_tcpm(cap); + struct tcpm_port *port = typec_get_drvdata(p); int ret; mutex_lock(&port->swap_lock); @@ -4122,9 +4113,9 @@ static int tcpm_vconn_set(const struct typec_capability *cap, return ret; } -static int tcpm_try_role(const struct typec_capability *cap, int role) +static int tcpm_try_role(struct typec_port *p, int role) { - struct tcpm_port *port = typec_cap_to_tcpm(cap); + struct tcpm_port *port = typec_get_drvdata(p); struct tcpc_dev *tcpc = port->tcpc; int ret = 0; @@ -4331,10 +4322,9 @@ static void tcpm_init(struct tcpm_port *port) tcpm_set_state(port, PORT_RESET, 0); } -static int tcpm_port_type_set(const struct typec_capability *cap, - enum typec_port_type type) +static int tcpm_port_type_set(struct typec_port *p, enum typec_port_type type) { - struct tcpm_port *port = typec_cap_to_tcpm(cap); + struct tcpm_port *port = typec_get_drvdata(p); mutex_lock(&port->lock); if (type == port->port_type) @@ -4359,6 +4349,14 @@ static int tcpm_port_type_set(const struct typec_capability *cap, return 0; } +static const struct typec_operations tcpm_ops = { + .try_role = tcpm_try_role, + .dr_set = tcpm_dr_set, + .pr_set = tcpm_pr_set, + .vconn_set = tcpm_vconn_set, + .port_type_set = tcpm_port_type_set +}; + void tcpm_tcpc_reset(struct tcpm_port *port) { mutex_lock(&port->lock); @@ -4770,11 +4768,8 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc) port->typec_caps.fwnode = tcpc->fwnode; port->typec_caps.revision = 0x0120; /* Type-C spec release 1.2 */ port->typec_caps.pd_revision = 0x0300; /* USB-PD spec release 3.0 */ - port->typec_caps.dr_set = tcpm_dr_set; - port->typec_caps.pr_set = tcpm_pr_set; - port->typec_caps.vconn_set = tcpm_vconn_set; - port->typec_caps.try_role = tcpm_try_role; - port->typec_caps.port_type_set = tcpm_port_type_set; + port->typec_caps.driver_data = port; + port->typec_caps.ops = &tcpm_ops; port->partner_desc.identity = &port->partner_ident; port->port_type = port->typec_caps.type; From patchwork Fri Oct 4 15:08:15 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174849 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 3F71F1599 for ; Fri, 4 Oct 2019 15:08:28 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 276D1207FF for ; Fri, 4 Oct 2019 15:08:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389673AbfJDPI1 (ORCPT ); Fri, 4 Oct 2019 11:08:27 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388802AbfJDPI1 (ORCPT ); Fri, 4 Oct 2019 11:08:27 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:27 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877584" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:25 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 5/7] usb: typec: tps6598x: Start using struct typec_operations Date: Fri, 4 Oct 2019 18:08:15 +0300 Message-Id: <20191004150817.45413-6-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Supplying the operation callbacks as part of a struct typec_operations instead of as part of struct typec_capability during port registration. After this there is not need to keep the capabilities stored anywhere in the driver. Signed-off-by: Heikki Krogerus Reviewed-by: Guenter Roeck --- drivers/usb/typec/tps6598x.c | 49 +++++++++++++++++++----------------- 1 file changed, 26 insertions(+), 23 deletions(-) diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index a38d1409f15b..0698addd1185 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -94,7 +94,6 @@ struct tps6598x { struct typec_port *port; struct typec_partner *partner; struct usb_pd_identity partner_identity; - struct typec_capability typec_cap; }; /* @@ -307,11 +306,10 @@ static int tps6598x_exec_cmd(struct tps6598x *tps, const char *cmd, return 0; } -static int -tps6598x_dr_set(const struct typec_capability *cap, enum typec_data_role role) +static int tps6598x_dr_set(struct typec_port *port, enum typec_data_role role) { - struct tps6598x *tps = container_of(cap, struct tps6598x, typec_cap); const char *cmd = (role == TYPEC_DEVICE) ? "SWUF" : "SWDF"; + struct tps6598x *tps = typec_get_drvdata(port); u32 status; int ret; @@ -338,11 +336,10 @@ tps6598x_dr_set(const struct typec_capability *cap, enum typec_data_role role) return ret; } -static int -tps6598x_pr_set(const struct typec_capability *cap, enum typec_role role) +static int tps6598x_pr_set(struct typec_port *port, enum typec_role role) { - struct tps6598x *tps = container_of(cap, struct tps6598x, typec_cap); const char *cmd = (role == TYPEC_SINK) ? "SWSk" : "SWSr"; + struct tps6598x *tps = typec_get_drvdata(port); u32 status; int ret; @@ -369,6 +366,11 @@ tps6598x_pr_set(const struct typec_capability *cap, enum typec_role role) return ret; } +static const struct typec_operations tps6598x_ops = { + .dr_set = tps6598x_dr_set, + .pr_set = tps6598x_pr_set, +}; + static irqreturn_t tps6598x_interrupt(int irq, void *data) { struct tps6598x *tps = data; @@ -448,6 +450,7 @@ static const struct regmap_config tps6598x_regmap_config = { static int tps6598x_probe(struct i2c_client *client) { + struct typec_capability typec_cap = { }; struct tps6598x *tps; u32 status; u32 conf; @@ -492,40 +495,40 @@ static int tps6598x_probe(struct i2c_client *client) if (ret < 0) return ret; - tps->typec_cap.revision = USB_TYPEC_REV_1_2; - tps->typec_cap.pd_revision = 0x200; - tps->typec_cap.prefer_role = TYPEC_NO_PREFERRED_ROLE; - tps->typec_cap.pr_set = tps6598x_pr_set; - tps->typec_cap.dr_set = tps6598x_dr_set; + typec_cap.revision = USB_TYPEC_REV_1_2; + typec_cap.pd_revision = 0x200; + typec_cap.prefer_role = TYPEC_NO_PREFERRED_ROLE; + typec_cap.driver_data = tps; + typec_cap.ops = &tps6598x_ops; switch (TPS_SYSCONF_PORTINFO(conf)) { case TPS_PORTINFO_SINK_ACCESSORY: case TPS_PORTINFO_SINK: - tps->typec_cap.type = TYPEC_PORT_SNK; - tps->typec_cap.data = TYPEC_PORT_UFP; + typec_cap.type = TYPEC_PORT_SNK; + typec_cap.data = TYPEC_PORT_UFP; break; case TPS_PORTINFO_DRP_UFP_DRD: case TPS_PORTINFO_DRP_DFP_DRD: - tps->typec_cap.type = TYPEC_PORT_DRP; - tps->typec_cap.data = TYPEC_PORT_DRD; + typec_cap.type = TYPEC_PORT_DRP; + typec_cap.data = TYPEC_PORT_DRD; break; case TPS_PORTINFO_DRP_UFP: - tps->typec_cap.type = TYPEC_PORT_DRP; - tps->typec_cap.data = TYPEC_PORT_UFP; + typec_cap.type = TYPEC_PORT_DRP; + typec_cap.data = TYPEC_PORT_UFP; break; case TPS_PORTINFO_DRP_DFP: - tps->typec_cap.type = TYPEC_PORT_DRP; - tps->typec_cap.data = TYPEC_PORT_DFP; + typec_cap.type = TYPEC_PORT_DRP; + typec_cap.data = TYPEC_PORT_DFP; break; case TPS_PORTINFO_SOURCE: - tps->typec_cap.type = TYPEC_PORT_SRC; - tps->typec_cap.data = TYPEC_PORT_DFP; + typec_cap.type = TYPEC_PORT_SRC; + typec_cap.data = TYPEC_PORT_DFP; break; default: return -ENODEV; } - tps->port = typec_register_port(&client->dev, &tps->typec_cap); + tps->port = typec_register_port(&client->dev, &typec_cap); if (IS_ERR(tps->port)) return PTR_ERR(tps->port); From patchwork Fri Oct 4 15:08:16 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174851 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 7A584112B for ; Fri, 4 Oct 2019 15:08:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 628922133F for ; Fri, 4 Oct 2019 15:08:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389583AbfJDPI2 (ORCPT ); Fri, 4 Oct 2019 11:08:28 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388802AbfJDPI2 (ORCPT ); Fri, 4 Oct 2019 11:08:28 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:28 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877586" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:27 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 6/7] usb: typec: ucsi: Start using struct typec_operations Date: Fri, 4 Oct 2019 18:08:16 +0300 Message-Id: <20191004150817.45413-7-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org Supplying the operation callbacks as part of a struct typec_operations instead of as part of struct typec_capability during port registration. Signed-off-by: Heikki Krogerus Reviewed-by: Guenter Roeck --- drivers/usb/typec/ucsi/ucsi.c | 22 +++++++++++----------- 1 file changed, 11 insertions(+), 11 deletions(-) diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c index ba288b964dc8..edd722fb88b8 100644 --- a/drivers/usb/typec/ucsi/ucsi.c +++ b/drivers/usb/typec/ucsi/ucsi.c @@ -17,9 +17,6 @@ #include "ucsi.h" #include "trace.h" -#define to_ucsi_connector(_cap_) container_of(_cap_, struct ucsi_connector, \ - typec_cap) - /* * UCSI_TIMEOUT_MS - PPM communication timeout * @@ -713,10 +710,9 @@ static int ucsi_role_cmd(struct ucsi_connector *con, struct ucsi_control *ctrl) return ret; } -static int -ucsi_dr_swap(const struct typec_capability *cap, enum typec_data_role role) +static int ucsi_dr_swap(struct typec_port *port, enum typec_data_role role) { - struct ucsi_connector *con = to_ucsi_connector(cap); + struct ucsi_connector *con = typec_get_drvdata(port); struct ucsi_control ctrl; int ret = 0; @@ -748,10 +744,9 @@ ucsi_dr_swap(const struct typec_capability *cap, enum typec_data_role role) return ret < 0 ? ret : 0; } -static int -ucsi_pr_swap(const struct typec_capability *cap, enum typec_role role) +static int ucsi_pr_swap(struct typec_port *port, enum typec_role role) { - struct ucsi_connector *con = to_ucsi_connector(cap); + struct ucsi_connector *con = typec_get_drvdata(port); struct ucsi_control ctrl; int ret = 0; @@ -788,6 +783,11 @@ ucsi_pr_swap(const struct typec_capability *cap, enum typec_role role) return ret; } +static const struct typec_operations ucsi_ops = { + .dr_set = ucsi_dr_swap, + .pr_set = ucsi_pr_swap +}; + static struct fwnode_handle *ucsi_find_fwnode(struct ucsi_connector *con) { struct fwnode_handle *fwnode; @@ -843,8 +843,8 @@ static int ucsi_register_port(struct ucsi *ucsi, int index) *accessory = TYPEC_ACCESSORY_DEBUG; cap->fwnode = ucsi_find_fwnode(con); - cap->dr_set = ucsi_dr_swap; - cap->pr_set = ucsi_pr_swap; + cap->driver_data = con; + cap->ops = &ucsi_ops; /* Register the connector */ con->port = typec_register_port(ucsi->dev, cap); From patchwork Fri Oct 4 15:08:17 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Heikki Krogerus X-Patchwork-Id: 11174853 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 546391599 for ; Fri, 4 Oct 2019 15:08:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 3CA0821D81 for ; Fri, 4 Oct 2019 15:08:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389676AbfJDPIa (ORCPT ); Fri, 4 Oct 2019 11:08:30 -0400 Received: from mga11.intel.com ([192.55.52.93]:58250 "EHLO mga11.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2388802AbfJDPIa (ORCPT ); Fri, 4 Oct 2019 11:08:30 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga001.fm.intel.com ([10.253.24.23]) by fmsmga102.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 04 Oct 2019 08:08:30 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.67,256,1566889200"; d="scan'208";a="205877591" Received: from black.fi.intel.com (HELO black.fi.intel.com.) ([10.237.72.28]) by fmsmga001.fm.intel.com with ESMTP; 04 Oct 2019 08:08:28 -0700 From: Heikki Krogerus To: Guenter Roeck Cc: Hans de Goede , linux-usb@vger.kernel.org Subject: [PATCH v2 7/7] usb: typec: Remove the callback members from struct typec_capability Date: Fri, 4 Oct 2019 18:08:17 +0300 Message-Id: <20191004150817.45413-8-heikki.krogerus@linux.intel.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> References: <20191004150817.45413-1-heikki.krogerus@linux.intel.com> MIME-Version: 1.0 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org There are no more users for them. Signed-off-by: Heikki Krogerus --- drivers/usb/typec/class.c | 38 ++++++++++---------------------------- include/linux/usb/typec.h | 17 ----------------- 2 files changed, 10 insertions(+), 45 deletions(-) diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c index f4972b7ee022..e7b92f650ba0 100644 --- a/drivers/usb/typec/class.c +++ b/drivers/usb/typec/class.c @@ -52,7 +52,6 @@ struct typec_port { struct typec_switch *sw; struct typec_mux *mux; - const struct typec_capability *orig_cap; /* to be removed */ const struct typec_capability *cap; const struct typec_operations *ops; }; @@ -957,7 +956,7 @@ preferred_role_store(struct device *dev, struct device_attribute *attr, return -EOPNOTSUPP; } - if (!port->cap->try_role || (!port->ops && !port->ops->try_role)) { + if (!port->ops && !port->ops->try_role) { dev_dbg(dev, "Setting preferred role not supported\n"); return -EOPNOTSUPP; } @@ -970,10 +969,7 @@ preferred_role_store(struct device *dev, struct device_attribute *attr, return -EINVAL; } - if (port->ops && port->ops->try_role) - ret = port->ops->try_role(port, role); - else - ret = port->cap->try_role(port->orig_cap, role); + ret = port->ops->try_role(port, role); if (ret) return ret; @@ -1004,7 +1000,7 @@ static ssize_t data_role_store(struct device *dev, struct typec_port *port = to_typec_port(dev); int ret; - if (!port->cap->dr_set || (!port->ops && !port->ops->dr_set)) { + if (!port->ops && !port->ops->dr_set) { dev_dbg(dev, "data role swapping not supported\n"); return -EOPNOTSUPP; } @@ -1019,10 +1015,7 @@ static ssize_t data_role_store(struct device *dev, goto unlock_and_ret; } - if (port->ops && port->ops->dr_set) - ret = port->ops->dr_set(port, ret); - else - ret = port->cap->dr_set(port->orig_cap, ret); + ret = port->ops->dr_set(port, ret); if (ret) goto unlock_and_ret; @@ -1057,7 +1050,7 @@ static ssize_t power_role_store(struct device *dev, return -EOPNOTSUPP; } - if (!port->cap->pr_set || (!port->ops && !port->ops->pr_set)) { + if (!port->ops && !port->ops->pr_set) { dev_dbg(dev, "power role swapping not supported\n"); return -EOPNOTSUPP; } @@ -1079,10 +1072,7 @@ static ssize_t power_role_store(struct device *dev, goto unlock_and_ret; } - if (port->ops && port->ops->dr_set) - ret = port->ops->pr_set(port, ret); - else - ret = port->cap->pr_set(port->orig_cap, ret); + ret = port->ops->pr_set(port, ret); if (ret) goto unlock_and_ret; @@ -1113,7 +1103,7 @@ port_type_store(struct device *dev, struct device_attribute *attr, int ret; enum typec_port_type type; - if (port->cap->type != TYPEC_PORT_DRP || !port->cap->port_type_set || + if (port->cap->type != TYPEC_PORT_DRP || (!port->ops && !port->ops->port_type_set)) { dev_dbg(dev, "changing port type not supported\n"); return -EOPNOTSUPP; @@ -1131,10 +1121,7 @@ port_type_store(struct device *dev, struct device_attribute *attr, goto unlock_and_ret; } - if (port->ops && port->ops->port_type_set) - ret = port->ops->port_type_set(port, type); - else - ret = port->cap->port_type_set(port->orig_cap, type); + ret = port->ops->port_type_set(port, type); if (ret) goto unlock_and_ret; @@ -1190,7 +1177,7 @@ static ssize_t vconn_source_store(struct device *dev, return -EOPNOTSUPP; } - if (!port->cap->vconn_set || (!port->ops && !port->ops->vconn_set)) { + if (!port->ops && !port->ops->vconn_set) { dev_dbg(dev, "VCONN swapping not supported\n"); return -EOPNOTSUPP; } @@ -1199,11 +1186,7 @@ static ssize_t vconn_source_store(struct device *dev, if (ret) return ret; - if (port->ops && port->ops->vconn_set) - ret = port->ops->vconn_set(port, (enum typec_role)source); - else - ret = port->cap->vconn_set(port->orig_cap, - (enum typec_role)source); + ret = port->ops->vconn_set(port, (enum typec_role)source); if (ret) return ret; @@ -1610,7 +1593,6 @@ struct typec_port *typec_register_port(struct device *parent, port->id = id; port->ops = cap->ops; - port->orig_cap = cap; port->port_type = cap->type; port->prefer_role = cap->prefer_role; port->cap = kmemdup(cap, sizeof(*cap), GFP_KERNEL); diff --git a/include/linux/usb/typec.h b/include/linux/usb/typec.h index c9bef128453b..894798084319 100644 --- a/include/linux/usb/typec.h +++ b/include/linux/usb/typec.h @@ -198,11 +198,6 @@ struct typec_operations { * @fwnode: Optional fwnode of the port * @driver_data: Private pointer for driver specific info * @ops: Port operations vector - * @try_role: Set data role preference for DRP port - * @dr_set: Set Data Role - * @pr_set: Set Power Role - * @vconn_set: Set VCONN Role - * @port_type_set: Set port type * * Static capabilities of a single USB Type-C port. */ @@ -220,18 +215,6 @@ struct typec_capability { void *driver_data; const struct typec_operations *ops; - - int (*try_role)(const struct typec_capability *, - int role); - - int (*dr_set)(const struct typec_capability *, - enum typec_data_role); - int (*pr_set)(const struct typec_capability *, - enum typec_role); - int (*vconn_set)(const struct typec_capability *, - enum typec_role); - int (*port_type_set)(const struct typec_capability *, - enum typec_port_type); }; /* Specific to try_role(). Indicates the user want's to clear the preference. */